The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 14, 2020

Filed:

Nov. 25, 2015
Applicants:

Richard M. Kundracik, Elyria, OH (US);

Matthew Bertram, Elyria, OH (US);

Robert M. Baracskai, Elyria, OH (US);

Inventors:

Richard M. Kundracik, Elyria, OH (US);

Matthew Bertram, Elyria, OH (US);

Robert M. Baracskai, Elyria, OH (US);

Assignee:

RIDGE TOOL COMPANY, Elyria, OH (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B26D 5/12 (2006.01); B21D 28/34 (2006.01); B25F 5/00 (2006.01);
U.S. Cl.
CPC ...
B26D 5/12 (2013.01); B21D 28/34 (2013.01); B21D 28/343 (2013.01); B25F 5/005 (2013.01);
Abstract

A punch tool for forming holes or apertures in workpieces. The tool includes a primary cylinder containing a movable ram and a secondary cylinder containing another movable ram. The primary and secondary cylinders are in hydraulic communication with each other. The primary cylinder is releasably engageable with a powered press tool and various dies or punches can be attached at the secondary cylinder. Systems of powered tools and the punch tools, and methods of forming holes in workpieces using the punch tools.


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